Hereford Arizona Observatory

Hereford Arizona Observatory (HAO), IAU-code G95, is an astronomical observatory,[1][2] owned and operated by amateur astronomer Bruce L. Gary.[3] Observational studies of unusual starlight fluctuations in Tabby's Star (KIC 8462852)[4] and WD 1145+017[5] are recent interests.

Hereford Arizona Observatory
Hereford Arizona Observatory (HAO)
HAO#1 and HAO#2.
OrganizationBruce L. Gary 
Observatory code G95 
LocationArizona, US
Coordinates31°27′08″N 110°14′16″W
Altitude4,670 ft (1,420 m)
Websitewww.brucegary.net/HAO/
Commercial telescopesCelestron CPC 1100
Meade LX200 
Location of Hereford Arizona Observatory
Related media on Wikimedia Commons

HAO consists of two telescopes, in two separate observatory installations: HAO#1 (contains a Celestron CPC 1100, 11-inch Schmidt-Cassegrain telescope on an equatorial mount) and HAO#2 (contains an Astro-Tech Ritchey–Chrétien, 16-inch telescope on an equatorial mount).[1]

The observatory is located in Arizona about 130 km (80 mi) southeast of Tucson and about 11 km (7 mi) north of the Mexican border. Coordinates are at the following: North Latitude +31:27:08 and West Longitude 110:14:16, at an altitude of 1,423 m (4,670 ft).[1]

HAO#2 lit by a full moon with Venus setting behind mountains at 2,900 m (9,500 ft) altitude.
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See also

References
  1. Gary, Bruce L. (17 May 2017). "Hereford Arizona Observatory (HAO)". BruceGary.net. Retrieved 22 September 2017.
  2. Staff (2017). "List Of Observatory Codes". Minor Planet Center. Retrieved 22 September 2017.
  3. Gary, Bruce L. (12 August 2017). "Bruce L. Gary - Resume". BruceGary.net. Retrieved 22 September 2017.
  4. Gary, Bruce L. (16 September 2017). "Hereford Arizona Observatory photometry observations of KIC 8462852 between 2 May and 16 September 2017". BruceGary.net. Archived from the original on 17 September 2017. Retrieved 17 September 2017.
  5. Rappaport, S.; Gary, B.L.; Vanderburg, A.; Xu, S.; Pooley, D.; Mukai, K. (2018). "WD 1145+017: Optical Activity During 2016-2017 and Limits on the X-Ray Flux". Monthly Notices of the Royal Astronomical Society. 474 (1): 933–946. arXiv:1709.08195. Bibcode:2018MNRAS.474..933R. doi:10.1093/mnras/stx2663.
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